- Companies
- Mechanics and garages
- Mad Engineering Limited
Mad Engineering Limited
- Company number
- 04491217
- Incorporated
- 22 Jul 200224 years trading
- Registered office
- 14 Squirrel Rise, Marlow Bottom, Buckinghamshire, SL7 3PN
- Nature of business
- Maintenance and repair of motor vehicles
Mad Engineering Limited is a 24-year-old private limited company registered in Buckinghamshire, company number 04491217, one of the UK's vehicle repair garages. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £11K (+32.6%) on the year before, to -£24K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £8,117 against £31K owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£24K | £2,068 | £8,117 | £31K | 2 |
| 31 Mar 2024 | -£35K | £5,700 | £34K | 2 | |
| 31 Mar 2023 | -£15K | £9,993 | £23K | 2 | |
| 31 Mar 2022 | -£3,547 | £193 | £5,643 | £10K | 2 |
| 31 Mar 2021 | £462 | £1,773 | £15K | £37K | 2 |
| 31 Mar 2020 | £7,364 | £11K | £23K | £19K | 2 |
| 31 Mar 2019 | -£6,642 | £9,887 | £23K | 2 | |
| 31 Mar 2018 | -£11K | £10K | £31K | 3 | |
| 31 Mar 2017 | -£27K | £0 | £5,399 | £33K | 3 |
| 31 Mar 2016 | -£21K | £55 | £5,055 | £27K |
Where Mad Engineering Limited is registered
The registered office is in Buckinghamshire (SL7), in the Buckinghamshire local authority area, South East. Show SL7 3PN on a map.
Other trade companies in SL7
- Seascot Consultancy LtdFinishing trades
- Cristo Estates LtdProperty developers
- Property Construction Specialists LtdBuilders
- Onyx Works LimitedFinishing trades
- NLR Strategic Land Co LimitedProperty developers
- Axis Commercial Projects LimitedBuilders
- Priority Callout Services LtdMachinery repair and installation
- Clayhill Constructions LtdBuilders
What happens if Mad Engineering Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 04491217
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 July 2002 (24 years ago)
- Registered office
- 14 Squirrel Rise, Marlow Bottom, Buckinghamshire, SL7 3PN
- Nature of business
- Maintenance and repair of motor vehicles (SIC 45200)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for vehicle repair garages
Garages hold parts stock and often own diagnostic equipment and ramps, which qualify for capital allowances.
Similar companies
Other active vehicle repair garages.
Frequently asked questions
When are Mad Engineering Limited's accounts due?
Mad Engineering Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Mad Engineering Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Mad Engineering Limited still trading?
Mad Engineering Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Mad Engineering Limited do?
Mad Engineering Limited is registered under Maintenance and repair of motor vehicles (SIC 45200).
How old is Mad Engineering Limited?
Mad Engineering Limited was incorporated on 22 July 2002, 24 years ago.
What is the penalty if Mad Engineering Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Mad Engineering Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.